SkOpts.cpp - mozsearch

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/*

 * Copyright 2015 Google Inc.

 * Use of this source code is governed by a BSD-style license that can be

 * found in the LICENSE file.

*/

#include "src/core/SkOpts.h"

#include "include/private/base/SkFeatures.h"

#include "src/core/SkCpu.h"

#include "src/core/SkOptsTargets.h"

#define SK_OPTS_TARGET SK_OPTS_TARGET_DEFAULT

#include "src/opts/SkOpts_SetTarget.h"

#include "src/opts/SkRasterPipeline_opts.h"  // IWYU pragma: keep

#include "src/opts/SkOpts_RestoreTarget.h"

namespace SkOpts {

    // Define default function pointer values here...

    // If our global compile options are set high enough, these defaults might even be

    // CPU-specialized, e.g. a typical x86-64 machine might start with SSE2 defaults.

    // They'll still get a chance to be replaced with even better ones, e.g. using SSE4.1.

    size_t raster_pipeline_lowp_stride  = SK_OPTS_NS::raster_pipeline_lowp_stride();

    size_t raster_pipeline_highp_stride = SK_OPTS_NS::raster_pipeline_highp_stride();

#define M(st) (StageFn)SK_OPTS_NS::st,

    StageFn ops_highp[] = { SK_RASTER_PIPELINE_OPS_ALL(M) };

    StageFn just_return_highp = (StageFn)SK_OPTS_NS::just_return;

    void (*start_pipeline_highp)(size_t, size_t, size_t, size_t, SkRasterPipelineStage*,

                                 SkSpan<SkRasterPipeline_MemoryCtxPatch>,

                                 uint8_t*) =

            SK_OPTS_NS::start_pipeline;

#undef M

#define M(st) (StageFn)SK_OPTS_NS::lowp::st,

    StageFn ops_lowp[] = { SK_RASTER_PIPELINE_OPS_LOWP(M) };

    StageFn just_return_lowp = (StageFn)SK_OPTS_NS::lowp::just_return;

    void (*start_pipeline_lowp)(size_t, size_t, size_t, size_t, SkRasterPipelineStage*,

                                SkSpan<SkRasterPipeline_MemoryCtxPatch>,

                                uint8_t*) =

            SK_OPTS_NS::lowp::start_pipeline;

#undef M

    // Each Init_foo() is defined in src/opts/SkOpts_foo.cpp.

    void Init_hsw();

    void Init_skx();

    static bool init() {

    #if defined(SK_ENABLE_OPTIMIZE_SIZE)

        // All Init_foo functions are omitted when optimizing for size

    #elif defined(SK_CPU_X86)

        #if SK_CPU_SSE_LEVEL < SK_CPU_SSE_LEVEL_AVX2

            if (SkCpu::Supports(SkCpu::HSW)) { Init_hsw(); }

        #endif

        #if (SK_CPU_SSE_LEVEL < SK_CPU_SSE_LEVEL_SKX) && defined(SK_ENABLE_AVX512_OPTS)

            if (SkCpu::Supports(SkCpu::SKX)) { Init_skx(); }

        #endif

    #endif

        return true;

    void Init() {

        [[maybe_unused]] static bool gInitialized = init();

}  // namespace SkOpts